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v3.23.1

Nature of Business and Liquidity (Details) $ / shares in Units, $ in Thousands |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 23, 2022 USD ($) $ / shares | Aug. 19, 2022 USD ($) $ / shares | Aug. 01, 2022 USD ($) | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($)
Nature of Business and Going Concern [Line Items] |  |  |  |  |
Loss from operations |  |  |  | $ 22,589 | $ 17,223
Net loss |  |  |  | 23,714 | 17,346
Accumulated deficit |  |  |  | (203,200) | (179,486)
Cash flows from operating activities |  |  |  | (18,058) | $ (14,222)
Petrichor Financing | Securities Purchase Agreements | Convertible Note Borrowings |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |
Maximum borrowing capacity |  |  | $ 45,000 |  |
Remaining borrowing capacity |  |  |  | $ 20,000 |
Commitment fee percentage |  |  |  | 2.00% |
Petrichor Financing | Securities Purchase Agreements | First Closing Note |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |
Borrowings, face amount |  | $ 5,000 |  |  |
Initial conversion price | $ / shares |  | $ 8.11 |  |  |
Premium over 5-day VWAP |  | 20.00% |  |  |
VWAP term |  | 5 days |  |  |
Petrichor Financing | Securities Purchase Agreements | Second Closing Note |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |
Borrowings, face amount | $ 20,000 |  |  |  |
Initial conversion price | $ / shares | $ 7.89 |  |  |  |
Premium over 5-day VWAP | 20.00% |  |  |  |
VWAP term | 5 days |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Subsequent Closing Notes |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |
Borrowings, face amount |  |  |  | $ 10,000 |
Initial conversion price | $ / shares |  |  |  | $ 7.89 |
Exercise price of warrants issued | $ / shares |  |  |  | $ 8.11 |
Petrichor Financing | Securities Purchase Agreements | Subsequent Closing Notes | Minimum |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |
Number of loan tranches for remaining borrowing capacity |  |  |  | 1 |
Petrichor Financing | Securities Purchase Agreements | First Closing Warrant |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |
Commitment fees payable in warrants |  |  |  | 50.00% |
Common shares available through issuance of warrants | shares |  |  |  | 55,498 |
Petrichor Financing | Securities Purchase Agreements | Second Closing Warrant |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |
Common shares available through issuance of warrants | shares |  |  |  | 55,498 |
Commitment fees payable in cash or warrants |  |  |  | 50.00% |
Exercise price of warrants issued | $ / shares |  |  |  | $ 8.11 |
Exercise term of warrants |  |  |  | 5 years |
Bridge Bank | Bridge Bank Term Loan |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |
Repayment of term loan |  | $ 5,000 | $ 5,000 |  |

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